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Flood Watch

Status

New Event Active alert

Start Time

Thu 07/31/2025 02:00 PM EDT

End Time

Fri 08/01/2025 06:00 AM EDT

Significance

Watch

Impacts

Moderate impact

Full Alert Message

URGENT - IMMEDIATE BROADCAST REQUESTED Flood Watch National Weather Service Mount Holly NJ 210 PM EDT Wed Jul 30 2025 ...FLOOD WATCH IN EFFECT FROM THURSDAY AFTERNOON THROUGH LATE THURSDAY NIGHT... * WHAT...Flash flooding caused by excessive rainfall is possible. * WHERE...Portions of northern Delaware, including the following area, New Castle, New Jersey, including the following areas, Camden, Gloucester, Hunterdon, Mercer, Middlesex, Northwestern Burlington, Salem, Somerset, Southeastern Burlington and Western Monmouth, and southeast Pennsylvania, including the following areas, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, Philadelphia, Upper Bucks, Western Chester and Western Montgomery. * WHEN...From Thursday afternoon through late Thursday night. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Storm drains and ditches may become clogged with debris. * ADDITIONAL DETAILS... - A warm and increasingly humid airmass will be in place ahead of an approaching cold front that will pass through the region Thursday night. Showers and thunderstorms will be capable of heavy rain resulting in rainfall amounts of 2 to 4 inches with 6 inches or more in localized areas. Rainfall rates may exceed 2 inches per hour. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

Technical Header

DEZ001-NJZ009-010-012-013-015>019-027-PAZ070-071-101>106-311000- /O.NEW.KPHI.FA.A.0010.250731T1800Z-250801T1000Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ New Castle-Hunterdon-Somerset-Middlesex-Western Monmouth-Mercer- Salem-Gloucester-Camden-Northwestern Burlington-Southeastern Burlington-Delaware-Philadelphia-Western Chester-Eastern Chester- Western Montgomery-Eastern Montgomery-Upper Bucks-Lower Bucks- Including the cities of Moorestown, Pottstown, Trenton, Pennsville, Perkasie, Doylestown, Honey Brook, Morrisville, Glassboro, Norristown, Camden, Somerville, Cherry Hill, Mount Holly, New Brunswick, Lansdale, Media, West Chester, Oxford, Flemington, Kennett Square, Chalfont, Wilmington, Freehold, Philadelphia, Collegeville, and Wharton State Forest 210 PM EDT Wed Jul 30 2025